Mention that this wrapper is needed also on mips-dec-ultrix4.4 systems.

[gnulib.git] / lib / regex.h

diff --git a/lib/regex.h b/lib/regex.h
index d88ab92..8b8bb9d 100644 (file)
--- a/lib/regex.h
+++ b/lib/regex.h
@@ -1,24 +1,23 @@
 /* Definitions for data structures and routines for the regular
    expression library, version 0.12.
-   Copyright (C) 1985,89,90,91,92,93,95,96,97,98 Free Software Foundation, Inc.
-
+   Copyright (C) 1985,1989-93,1995-98,2000,2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.  Its master source is NOT part of
    the C library, however.  The master source lives in /gd/gnu/lib.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
    The GNU C Library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #ifndef _REGEX_H
 #define _REGEX_H 1
@@ -160,6 +159,11 @@ typedef unsigned long int reg_syntax_t;
    this bit set, and it won't affect anything in the normal case. */
 #define RE_DEBUG (RE_NO_GNU_OPS << 1)
 
+/* If this bit is set, a syntactically invalid interval is treated as
+   a string of ordinary characters.  For example, the ERE 'a{1' is
+   treated as 'a\{1'.  */
+#define RE_INVALID_INTERVAL_ORD (RE_DEBUG << 1)
+
 /* This global variable defines the particular regexp syntax to use (for
    some interfaces).  When a regexp is compiled, the syntax used is
    stored in the pattern buffer, so changing this does not affect
@@ -199,7 +203,8 @@ extern reg_syntax_t re_syntax_options;
    | RE_NO_BK_VBAR)
 
 #define RE_SYNTAX_POSIX_EGREP                                          \
-  (RE_SYNTAX_EGREP | RE_INTERVALS | RE_NO_BK_BRACES)
+  (RE_SYNTAX_EGREP | RE_INTERVALS | RE_NO_BK_BRACES                    \
+   | RE_INVALID_INTERVAL_ORD)
 
 /* P1003.2/D11.2, section 4.20.7.1, lines 5078ff.  */
 #define RE_SYNTAX_ED RE_SYNTAX_POSIX_BASIC
@@ -221,13 +226,13 @@ extern reg_syntax_t re_syntax_options;
   (_RE_SYNTAX_POSIX_COMMON | RE_LIMITED_OPS)
 
 #define RE_SYNTAX_POSIX_EXTENDED                                       \
-  (_RE_SYNTAX_POSIX_COMMON | RE_CONTEXT_INDEP_ANCHORS                  \
-   | RE_CONTEXT_INDEP_OPS  | RE_NO_BK_BRACES                           \
-   | RE_NO_BK_PARENS       | RE_NO_BK_VBAR                             \
-   | RE_UNMATCHED_RIGHT_PAREN_ORD)
+  (_RE_SYNTAX_POSIX_COMMON  | RE_CONTEXT_INDEP_ANCHORS                 \
+   | RE_CONTEXT_INDEP_OPS   | RE_NO_BK_BRACES                          \
+   | RE_NO_BK_PARENS        | RE_NO_BK_VBAR                            \
+   | RE_CONTEXT_INVALID_OPS | RE_UNMATCHED_RIGHT_PAREN_ORD)
 
-/* Differs from ..._POSIX_EXTENDED in that RE_CONTEXT_INVALID_OPS
-   replaces RE_CONTEXT_INDEP_OPS and RE_NO_BK_REFS is added.  */
+/* Differs from ..._POSIX_EXTENDED in that RE_CONTEXT_INDEP_OPS is
+   removed and RE_NO_BK_REFS is added.  */
 #define RE_SYNTAX_POSIX_MINIMAL_EXTENDED                               \
   (_RE_SYNTAX_POSIX_COMMON  | RE_CONTEXT_INDEP_ANCHORS                 \
    | RE_CONTEXT_INVALID_OPS | RE_NO_BK_BRACES                          \
@@ -513,13 +518,35 @@ extern int re_exec _RE_ARGS ((const char *));
 # endif
 #endif
 
+/* GCC 2.95 and later have "__restrict"; C99 compilers have
+   "restrict", and "configure" may have defined "restrict".  */
+#ifndef __restrict
+# if ! (2 < __GNUC__ || (2 == __GNUC__ && 95 <= __GNUC_MINOR__))
+#  if defined restrict || 199901L <= __STDC_VERSION__
+#   define __restrict restrict
+#  else
+#   define __restrict
+#  endif
+# endif
+#endif
+/* gcc 3.1 and up support the [restrict] syntax.  */
+#ifndef __restrict_arr
+# if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
+#  define __restrict_arr __restrict
+# else
+#  define __restrict_arr
+# endif
+#endif
+
 /* POSIX compatibility.  */
-extern int regcomp _RE_ARGS ((regex_t *__preg, const char *__pattern,
+extern int regcomp _RE_ARGS ((regex_t *__restrict __preg,
+                             const char *__restrict __pattern,
                              int __cflags));
 
-extern int regexec _RE_ARGS ((const regex_t *__preg,
-                             const char *__string, size_t __nmatch,
-                             regmatch_t __pmatch[], int __eflags));
+extern int regexec _RE_ARGS ((const regex_t *__restrict __preg,
+                             const char *__restrict __string, size_t __nmatch,
+                             regmatch_t __pmatch[__restrict_arr],
+                             int __eflags));
 
 extern size_t regerror _RE_ARGS ((int __errcode, const regex_t *__preg,
                                  char *__errbuf, size_t __errbuf_size));